Template:On this day/April 20
- 1719 – French period: The Sieur de Bienville, French governor at Mobile, received orders to seize Pensacola.
- 1826 – Commodore Lewis Warrington assumed command of the Pensacola Navy Yard.
- 1913 – Three aircraft and a detachment of fifteen men left from the Naval Aeronautical Station for Tampico aboard the USS Birmingham.
- 1967 – Cordova Cinemas opened.